[PATCH] net/virtio: include ipv4 cksum to support cksum offload capability

[Harold Huang]

Device cksum offload capability usually include ipv4 cksum, tcp and udp
cksum offload capability. The application such as OVS usually negotiate
with the drive like this to enable cksum offload.

Signed-off-by: Harold Huang <baymaxhuang at gmail.com>
---
 drivers/net/virtio/virtio_ethdev.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index c2588369b2..65b03bf0e4 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -3041,6 +3041,7 @@ virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 		dev_info->rx_offload_capa |= RTE_ETH_RX_OFFLOAD_SCATTER;
 	if (host_features & (1ULL << VIRTIO_NET_F_GUEST_CSUM)) {
 		dev_info->rx_offload_capa |=
+			RTE_ETH_RX_OFFLOAD_IPV4_CKSUM |
 			RTE_ETH_RX_OFFLOAD_TCP_CKSUM |
 			RTE_ETH_RX_OFFLOAD_UDP_CKSUM;
 	}
@@ -3055,6 +3056,7 @@ virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 				    RTE_ETH_TX_OFFLOAD_VLAN_INSERT;
 	if (host_features & (1ULL << VIRTIO_NET_F_CSUM)) {
 		dev_info->tx_offload_capa |=
+			RTE_ETH_TX_OFFLOAD_IPV4_CKSUM |
 			RTE_ETH_TX_OFFLOAD_UDP_CKSUM |
 			RTE_ETH_TX_OFFLOAD_TCP_CKSUM;
 	}
-- 
2.27.0